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DAEWOO ELECTRONICS DG-K511S Service Manual

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Service Manual
DVD PLAYER
MODEL: DG-K511S
DG-K513S
DG-K516S
Sm(DAEWOO_DG-K511S)060115.indd
1
✔ Caution :
In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the latest
parts information,please refer to PPL(Parts Price List) in Service
Information Center.
Jaunary. 2006
2006-1-16
15:30:46

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Summary of Contents for DAEWOO ELECTRONICS DG-K511S

  • Page 1 Service Manual DVD PLAYER MODEL: DG-K511S DG-K513S DG-K516S ✔ Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to PPL(Parts Price List) in Service Information Center.

  • Page 2: Table Of Contents

    CONTENTS CONTENTS SPECIFICATIONS.........................2 CIRCUIT OPERATIONAL DESCRIPTION..................3 VOLTAGE CHARTS........................3 CIRCUIT DIAGRAM........................4 PCB CIRCUIT BOARD.........................26 WAVEFORMS..........................36 TROUBLE SHOOTING.........................43 INSTRUMENT DISASSEMBLY......................48 PARTLIST...........................55 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:30:46...

  • Page 3: Specifications

    SPECIFICATIONS Laser wavelength 650nm Video PAL/AUTO/NTSC Frequency response 20Hz ~ 20KHz (±dB) Signal/noise ratio ≥90dB Channel separation ≥85dB ( KHz) Dynamic range ≥80dB ( KHz) output level : 2.0 + 0/-0.2Vrms Analog (Load impedance : ,0KΩ) Output Audio output level : 0.5 ±0.Vp-p Digital (Load impedance : 75Ω) output level : .0 ±0.Vp-p...

  • Page 4: Circuit Operational Description

    CIRCUIT OPERATIONAL DESCRIPTION DVD Module . Summary DVD One Board consists of: Loader part that reads and transmits audio and video data saved at Optic Discs (DVD, CD-DA, VCD, CD-R) to MPEG Decoder part; MPEG Decoder part, which, by decoding and encoding data received from the Loader, produces analog signals; and u-Com that controls the overall system including the loader and MPEG decoder.
  • Page 5 CIRCUIT OPERATIONAL DESCRIPTION CIRCUIT OPERATIONAL DESCRIPTION 3. Loader Part The loader which read the data of audio/video from optic disc and transfer them to MPEG decoder can be divided into Deck total DVD assay(in a short term, Mecha) and Servo. Mecha mounts with the optical pick-up which allows reading the signal of a disc using laser beam and makes it operates and consists of the deck mechanism which allows loading a disc and reading the data.
  • Page 6 CIRCUIT OPERATIONAL DESCRIPTION CIRCUIT OPERATIONAL DESCRIPTION ) Motor Drive IC: AT5668S The AT5668S is a 5-channel BTL driver IC for driving the motors and actuators in products such as CD-ROM/DVD-ROM/DVD-Player drives. Two of the channels use current feedback to minimize the current phase shift caused by the influence of load inductance. Driver IC gener- ates the focus signal and the tracking signal for pick-up actuator, the sled signal for feed, spindle signal and the load signal for opening and closing of the tray.
  • Page 7 CIRCUIT OPERATIONAL DESCRIPTION MPEG Decoder The signal read from DVD disc is output into the RF signal and Servo related signal through the RF IC and they are input into the MPEG decoder and processed the MPEG decoding and divided into video/audio signal. The video signal is output into the analog audio signal through the built-in encoder block and also the audio signal into the audio DAC through the audio decoder block.
  • Page 8 CIRCUIT OPERATIONAL DESCRIPTION MT389 Functional Block Diagram Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:30:50...
  • Page 9 CIRCUIT OPERATIONAL DESCRIPTION 2) Flash Memory : ES29LV60DB-70TG Description The ES29LV60 is a 6 megabit, 3.0 volt-only flashmemory device, organized as 2M x 8 bits (Bytemode) or M x 6 bits (Word mode) which is config-urable by BYTE#. Four boot sectors and thirty onemain sectors are provided : 6Kbytes x , 8Kbytesx 2, 32Kbytes x  and 64Kbytes x 3.
  • Page 10 CIRCUIT OPERATIONAL DESCRIPTION FLASH ES29LV60 Block Diagram Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:30:51...
  • Page 11 CIRCUIT OPERATIONAL DESCRIPTION 3) EEPROM : AT24C6A This stores the information related to setup of DVD menus. This can read and write the op- tional information such as OSD, voice, language option after function for subtitle etc, the aspect or method of TV display, video option like display function and audio, screen saver, parental function through the I2C transmission method.
  • Page 12 CIRCUIT OPERATIONAL DESCRIPTION 4) SDRAM : AW39S206-7 Description The AW39S206-7s organlzed as 2-bank x ,048,576-word x 6-bit(2Mx6), fabri- cated with high performance CMOS technology, Synchronous design allows precise cycle control with the use of system clock I/O transactions are possible on every clock cycle.
  • Page 13 CIRCUIT OPERATIONAL DESCRIPTION 5) DAC : CS4360 Description The CS4360 is a complete 6-channel digital-to-analog system including digital inter- polation, fourth-order delta-sigma digital-to-analog conversion, digital deemphasis, volume control, channel mixing and analog filtering. The advantages of this architecture include: ideal differential linearity, no distortion mechanisms due to resistor matching errors, no linearity drift over time and tempera-ture and a high tolerance to clock jitter.

  • Page 14: Voltage Charts

    VOLTAGE CHARTS Power board output voltage Pin number Output voltage GND 3.3V +2V -2V Pin number Output voltage -24V STB5V Decode board input voltage Pin number Output voltage GND 3.3V +2V -2V Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:30:54...

  • Page 15: Circuit Diagram

    CIRCUIT DIAGRAM 1. POWER SUPPLY SCHEMATIC DIAGRAM Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:30:56...
  • Page 16 CIRCUIT DIAGRAM 2. DECODE BOARD SCHEMATIC DIAGRAM ) INDEX SCHEMATIC DIAGRAM Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:30:57...
  • Page 17 CIRCUIT DIAGRAM 2) RF & MPEG SCHEMATIC DIAGRAM Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:02...
  • Page 18 CIRCUIT DIAGRAM 3) SDRAM & FLASH SCHEMATIC DIAGRAM Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:06...
  • Page 19 CIRCUIT DIAGRAM 4) VIDEO OUTPUT PORT SCHEMATIC DIAGRAM Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:09...
  • Page 20 CIRCUIT DIAGRAM 5) AUDIO OUTPUT PORT SCHEMATIC DIAGRAM Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:13...
  • Page 21 CIRCUIT DIAGRAM 3. CONTROL BOARD SCHEMATIC DIAGRAM (DG-K511S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:15...
  • Page 22 CIRCUIT DIAGRAM CONTROL BOARD SCHEMATIC DIAGRAM (DG-K513S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:16...
  • Page 23 CIRCUIT DIAGRAM CONTROL BOARD SCHEMATIC DIAGRAM (DG-K516S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:17...
  • Page 24 CIRCUIT DIAGRAM 4. MICROPHONE BOARD SCHEMATIC DIAGRAM (DG-K511S/DG-K516S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:18...
  • Page 25 CIRCUIT DIAGRAM MICROPHONE BOARD SCHEMATIC DIAGRAM (DG-K513S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:20...
  • Page 26 CIRCUIT DIAGRAM 5. YUV BOARD SCHEMATIC DIAGRAM Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:21...

  • Page 27: Pcb Circuit Board

    PCB CIRCUIT BOARD 1. POWER SUPPLY BOARD Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:22...
  • Page 28 PCB CIRCUIT BOARD 2. DECODE BOARD Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:31...
  • Page 29 PCB CIRCUIT BOARD Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:35...
  • Page 30 PCB CIRCUIT BOARD 3. CONTROL BOARD (DG-K511S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:36...
  • Page 31 PCB CIRCUIT BOARD CONTROL BOARD (DG-K513S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:37...
  • Page 32 PCB CIRCUIT BOARD CONTROL BOARD (DG-K516S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:38...
  • Page 33 PCB CIRCUIT BOARD 4. MICROPHONE BOARD (DG-K511S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:39...
  • Page 34 PCB CIRCUIT BOARD MICROPHONE BOARD (DG-K513S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:40...
  • Page 35 PCB CIRCUIT BOARD MICROPHONE BOARD (DG-K516S) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:39:02...
  • Page 36 PCB CIRCUIT BOARD 5. YUV OUTPUT BOARD Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:42...

  • Page 37: Waveforms

    WAVEFORMS 1. VIDEO CP3 Pin5 (COLOR BAR_VIDEO OUT) CVBS 2. AUDIO CP3 Pin 7&8(KHz_ AUDIO OUT) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:43...
  • Page 38 WAVEFORMS CP3 Pin6 (COAXIAL OUT) 3. SYSTEM WAVEFORMS D3 Pin2 RESET & +3.3V ON/OFF Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:44...
  • Page 39 WAVEFORMS (AUDIO SDAT0) U6:CS4360 Pin2 (AUDIO SBCLK) U6:CS4360 Pin5 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:45...
  • Page 40 WAVEFORMS (AUDIO SACLK) U6:CS4360 Pin7 (AUDIO SLRCK) U6:CS4360 Pin6 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:45...
  • Page 41 WAVEFORMS (SDRAM CLOCK) U6 Pin38 CN4 Pin4(VSC) S-CLK Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:46...
  • Page 42 WAVEFORMS CN4 Pin6 (VSD) SDATA-IN CN4 Pin5 (VST) S-CS Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:47...
  • Page 43 WAVEFORMS CN4 Pin 2(IR) Y Pin (27MHz X-TAL) Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:47...

  • Page 44: Trouble Shooting

    TROUBLE SHOOTING 1. POWER CIRCUIT NO POWER POWER cord is ok Exchange POWER card Check (+) Voltage of CA3 F1 ,LA1 ,DA1~DA4 Cheack Switching Waveform of U1 U1,LA2 ,ZDA2 ,DA6 ,U2 Output voltage of Replace bad parts DB1~DB5 Check other parts Check LB1,LB2 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16...
  • Page 45 TROUBLE SHOOTING 2. CONTROL BOARD CIRCUIT NO LED display Is 5V obtained at Check pin#1 of J1 Pin#7,21 of U1 Oscillation at Check R2, exchange U1 pin#1 of U1 Is there KEY/SEG Cheack PCB signal? KEY output at Check U1 pin #6~7 PORT of U1 Check SEG/GRID output Check U1 pin#8~27...
  • Page 46 TROUBLE SHOOTING 3. VIDEO CIRCUIT NO CVBS & S-vidro & com p onent signal appear Is signal output from Y1~Y6 of Net; check Check MPEG system pin# 194, 196, 198, 200, module 202, 203 of U2 (1389C) Is signal output from part Check Triode Q10, Q11, Q12, Q14, Q16 ,Q17...
  • Page 47 TROUBLE SHOOTING 4. AUDIO OUTPUT CIRCUIT NO sound Pin #1, 8, 14 ,22 Check POWER circuit of U16 is +5V Pin #2~7 of U16 is digital Replace the U2 signal SDAT0~2, SBCLK, SLRCK, SACLK Audio Signal from Cheack inserted part pin#19, 20, 23, 24, 26, 27 C204 , C203 , C178 , C177 of U16...
  • Page 48 TROUBLE SHOOTING 5. MPEG BOARD Check all Connectors Check +3.3v (Pin7) Check Power Circuit Check +3.3v (Pin4.5.8) +1.8V regulator(U1) Check Check soldering or replace it that voltage is between 1.7v-1.9v +3.3v regulator(FB L27) for Check soldering or replace it SDRAM(U6) Check +3.3V RESET Signal Check C10 ,R1 MT1389 Crystal (Y1)

  • Page 49: Instrument Disassembly

    INSTRUMENT DISASSEMBLY Perform all disassembly procedures in the order presented. When reassembling, use the reverse procedure. Make sure that all leads/ wiring are routed correctly when reassembling. A. TOP COVER REMOVAL 2. Remove one screw 1. Remove one screw 3. Remove four screws, remove top cover.
  • Page 50 INSTRUMENT DISASSEMBLY B. FRONT PANEL DISASSEMBLY Remove three hooks Remove two hooks, remove panel. FIG. 2 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:53...
  • Page 51 INSTRUMENT DISASSEMBLY C. DECODE BOARD DISASSEMBLY Remove five screws Remove two screws, remove MPEG board. FIG. 3 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:53...
  • Page 52 INSTRUMENT DISASSEMBLY D. POWER SUPPLY BOARD DISASSEMBLY Remove four screws, remove power board. FIG. 5 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:54...
  • Page 53 INSTRUMENT DISASSEMBLY E. YUV OUTPUT BOARD DISASSEMBLY Remove one screw, remove YUV board. FIG. 6 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:55...
  • Page 54 INSTRUMENT DISASSEMBLY F. DVD LOADER DISASSEMBLY Remove four screws, remove DVD loader. FIG. 7 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:55...
  • Page 55 INSTRUMENT DISASSEMBLY G. REAR PANEL DISASSEMBLY Remove one screw Remove two screws, remove rear panel. FIG. 8 Sm(DAEWOO_DG-K511S)060115.indd 2006-1-16 15:31:56...

  • Page 56: Partlist

    PARTSLIST SET Material List Code: 6020629 (DG-K5S) Unit:pcs No Part Code Part Name SPEC Location  090000 Battery 7# no Hg 2 0000 Ferrite Core outside 28mm inside 6mm high7.5mm .0 power cord need process 3 27000 Tie black tie 20mm .0 for power cord 4 270002 Tie nylon tie 80mm...
  • Page 57 PARTSLIST Code: 6020632 (DG-K53S) No Part Code Part Name SPEC Location  090000 Battery 7# NO Hg 2 0000 Ferrite Core outside 28mm inside 6mm high7.5mm .0 power cord need process 3 27000 Tie black tie 20mm .0 for power cord 4 270002 Tie nylon tie 80mm 5 304 Conn Wire...
  • Page 58 PARTSLIST Code: 6020596 (DG-K56S) No Part Code Part Name SPEC Location  090000 Battery 7# no Hg 2 0000 Ferrite Core outside 28mm inside 6mm high 7.5mm .0 power cord need process 3 27000 Tie black tie 20mm .0 for power cord 4 270002 Tie nylon 80mm 5 304 Conn Wire...
  • Page 59 PARTSLIST MPEG PCB Assy Material List Code: 5700260 No Part Code Part Name SPEC QTY Location  000064 R Carbon Film W 3.3E ±5% .0 R46 2 005000 R Chip /6w 0E ±5% 0603 2.0 R 5 9 . R 6 9 . R 7 0 . R  0 . R  8 . R  9 . R 4 7 . R 4 9 . R 5 , [ 2 M x  6 S D R A M ( R 8 , R 7  , R 2  6 ) O t y p e , ( R 8 , R 7  , R 2   ) P type,(R8,R24,R27)R type,(R8,R22,R24)S type],(Mx6 SDRAM(R7,R72))
  • Page 60 PARTSLIST No Part Code Part Name SPEC Location 44 020002 C Chip 22 50V ±0% 0603 6.0 C57.C66,C72,C80,C89,C97 45 020005 C Chip 53 50V ±0% 0603 .0 C92 46 020006 C Chip 333 50V ±0% 0603 .0 C42 47 020002 C Chip U 0V ±0% 0603 8.0 C43.C44.C59.C60.C62.C63.C64.C29 48 0200026 C Chip...
  • Page 61 PARTSLIST POWER PCB Assy Material List Code: 5750046 NO Part Code Part Name SPEC Location  0000005 R Carbon Film /6W 0K ±5% .0 RA8 near ZD2 2 00002 R Carbon Film /8W K ±5% .0 RB9 3 000092 R Carbon Film /8W 470E ±5% .0 RB8 4 000096 R Carbon Film...
  • Page 62 PARTSLIST Front Panel Assy Material List Code: 5780300(DG-K5S) No Part Code Part Name SPEC Location  290024 Lead 8# single line 80mm 2 2000328 Panel DG-K5S(silver) 3 200262 Knob GVG- power knob 4 200263 Knob GVG- function knob 5 2200042 Knob 386potentiometern knob(silver) 6 3500084 Screw BB3*8 Ø5...
  • Page 63 PARTSLIST Control PCB Assy Material List Code: 573048(DG-K5S) No Part Code Part Name SPEC Location  0000005 R Carbon Film /6W 0K ±5% 5.0 R,R2,R3,R4,R6 2 000009 R Carbon Film /6W 5K ±5% .0 R7 3 000042 R Carbon Film /6W 00E ±5% .0 R5 4 050007 C Cera 0 50V ±0%...
  • Page 64 PARTSLIST Code: 573046(DG-K56S) No Part Code Part Name SPEC Location  0000005 R Carbon Film /6W 0K ±5% 6.0 R,R3,R4,R5,R6,R8 2 000009 R Carbon Film /6W 5K ±5% .0 R2 3 000042 R Carbon Film /6W 00E ±5% .0 R7 4 050007 C Cera 0 50V ±0% 3.0 C3,C4,C5...
  • Page 65 PARTSLIST MIC PCB Assy Material List Code: 570067 (DG-K5S) No Part Code Part Name SPEC Location  0000002 R Carbon Film /6W K ±5% 3.0 R8,R2,R26 2 0000004 R Carbon Film /6W 4.7K ±5% .0 R2 3 0000005 R Carbon Film /6W 0K ±5% 5.0 R5,R7,R0,R23,R29 4 000003 R Carbon Film...
  • Page 66 PARTSLIST Code: 570070 (DG-K53S) No Part Code Part Name SPEC Location  0000002 R Carbon Film /6W K ±5% 3.0 R8,R2,R26 2 0000004 R Carbon Film /6W 4.7K ±5% .0 R2 3 0000005 R Carbon Film /6W 0K ±5% 6.0 R7,R0,R23,R29,R5,R9 4 000003 R Carbon Film /6W .5K ±5% .0 R3 5 000005 R Carbon Film /6W 5K ±5%...
  • Page 67 PARTSLIST Code: 570066 (DG-K56S) No Part Code Part Name SPEC Location  0000002 R Carbon Film /6W K ±5% 3.0 R8,R2,R26 2 0000004 R Carbon Film /6W 4.7K ±5% .0 R2 3 0000005 R Carbon Film /6W 0K ±5% 5.0 R7,R0,R29,R23,R5 4 000003 R Carbon Film /6W .5K ±5% .0 R3 5 000005 R Carbon Film /6W 5K ±5%...
  • Page 68 YUV PCB Assy Material List Code: 576002 No Part Code Part Name SPEC Location  090025 C Electro 0V 470UF ±20% D8 3.0 C.C2.C3 2 00030 PCB OGVG004 REV:B. YUV PCB 3 506 Conn Wafer 3pin AV3-8.4-0D-F pin :3.6MM .0 RCA 4 30273 Conn Wire 2.0double 6P*60mm,red white conn wire with 3P .0 CN...

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